field - How to Add Analytic account in Purchase Picking report -

i tried integrate analytic account in report.picking purchase, i've done sale. sale picking report have done :

<span class="oe_editable" t-field="o.sale_id.project_id"/> 

i tried same in picking report incoming that:

<t t-if="o.picking_type_id.code !== 'outgoing'">     <td>        <span class="oe_editable" t-field="o.sale_id.project_id"/>     </td> </t> <t t-if="o.picking_type_id.code !== 'incoming'">     <td>         <span class="oe_editable" t-field="o.invoice_line[0].account_analytic_id"/>     </td> </t> 

i have got error like:

qwebexception: "'stock.picking' object has no attribute 'invoice_line'" while evaluating 'o.invoice_line[0]'

but can't find right field integrate.

i think don't have model in o.*

any idea on how find , complete field name ?